block

Documentation

Overview

block provides the implementation of the "block" volume type, using a Torus file as a block device.

Index

• Constants
• func CreateBlockVolume(mds torus.MetadataService, volume string, size uint64) error
• func DeleteBlockVolume(mds torus.MetadataService, volume string) error
• func NewBlockVolGC(srv *torus.Server, inodes gc.INodeFetcher) (gc.GC, error)
• type BlockFile
  • func (f *BlockFile) Close() (err error)
  • func (f *BlockFile) Sync() error
• type BlockVolume
  • func OpenBlockVolume(s *torus.Server, volume string) (*BlockVolume, error)
  • func (s *BlockVolume) DeleteSnapshot(name string) error
  • func (s *BlockVolume) GetSnapshots() ([]Snapshot, error)
  • func (s *BlockVolume) OpenBlockFile() (file *BlockFile, err error)
  • func (s *BlockVolume) OpenSnapshot(name string) (*BlockFile, error)
  • func (s *BlockVolume) RestoreSnapshot(name string) (err error)
  • func (s *BlockVolume) SaveSnapshot(name string) error
• type Snapshot

Constants

const VolumeType = "block"

Functions

func CreateBlockVolume

func CreateBlockVolume(mds torus.MetadataService, volume string, size uint64) error

func DeleteBlockVolume

func DeleteBlockVolume(mds torus.MetadataService, volume string) error

func NewBlockVolGC

func NewBlockVolGC(srv *torus.Server, inodes gc.INodeFetcher) (gc.GC, error)

Types

type BlockFile

type BlockFile struct {
	*torus.File
	// contains filtered or unexported fields
}

func (*BlockFile) Close

func (f *BlockFile) Close() (err error)

func (*BlockFile) Sync

func (f *BlockFile) Sync() error

type BlockVolume

type BlockVolume struct {
	// contains filtered or unexported fields
}

func OpenBlockVolume

func OpenBlockVolume(s *torus.Server, volume string) (*BlockVolume, error)

func (*BlockVolume) DeleteSnapshot

func (s *BlockVolume) DeleteSnapshot(name string) error

func (*BlockVolume) GetSnapshots

func (s *BlockVolume) GetSnapshots() ([]Snapshot, error)

func (*BlockVolume) OpenBlockFile

func (s *BlockVolume) OpenBlockFile() (file *BlockFile, err error)

func (*BlockVolume) OpenSnapshot

func (s *BlockVolume) OpenSnapshot(name string) (*BlockFile, error)

func (*BlockVolume) RestoreSnapshot

func (s *BlockVolume) RestoreSnapshot(name string) (err error)

func (*BlockVolume) SaveSnapshot

func (s *BlockVolume) SaveSnapshot(name string) error

type Snapshot

type Snapshot struct {
	Name     string
	When     time.Time
	INodeRef []byte
}